#include<iostream>
using namespace std;
int main()
{
	int i;
	char src[100]="";
	gets(src);
	for(i=0;src[i]!='\0';i++)
	{
		if(src[i]>='a'&&src[i]<='z')
		    src[i]=(src[i]+2-'a')%26+'a';
		else if(src[i]>='A'&&src[i]<='Z')
		    src[i]=(src[i]+2-'A')%26+'A';
		else if(src[i]>='0'&&src[i]<='9')
		    src[i]=(src[i]+2-'0')%10+'0';
	}
	puts(src);
    return 0; 
 } 
